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습지식물의 생활형에 따른 기능형질 차이 KCI 등재
Functional Trait Variations among Selected Wetland Plants across Different Life Forms
- 언어KOR
- URLhttps://db.koreascholar.com/Article/Detail/453313
pp.150-156
Wetland ecosystems impose strong environmental filters that drive the differentiation of plant life forms and their functional traits. Trait variations in wetland plants subjected to distinct ecological constraints remain less understood. This study investigated the variations and multidimensional combinations of key functional traits across 15 wetland plant species representing five distinct life forms (hygrophyte, emergent, free-floating, floating-leaved, and submerged) in freshwater wetlands. We analyzed five functional traits: plant height, specific leaf area (SLA), leaf total nitrogen (LTN), leaf total phosphorus (LTP), and the N : P ratio. The results indicated trait variations closely linked to the specific ecological niches of each life form. Emergent plants exhibited greater height, reflecting a strategy associated with vertical light competition, while relatively high N : P ratios were observed in some emergent species. Conversely, free-floating plants were characterized by higher SLA and LTN, indicating a rapid resource acquisition strategy with minimal structural investment. NMDS and PERMANOVA revealed that multidimensional trait combinations clustered distinctly according to life forms, rather than differentiating along independent, single-trait axes (Stress=0.076, p=0.008). These findings demonstrate that the life form differentiation of wetland plants is associated with complex functional trait networks that reflect their habitat constraints and resource allocation strategies. To comprehensively elucidate the adaptation mechanisms of wetland plants, future research should integrate wetland-specific traits, genetic and environmental variables into the functional trait framework.
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